DR. NICKLAS B OLDENBURG (M.D.) – Radiation Oncology Physician, NPI 1801899760
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
35 RADIATION ONCOLOGY in RI
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Provider Addresses for DR. NICKLAS B OLDENBURG (M.D.)
North Main Street, Providence, Providence County, Rhode Island, 029212, United States
PROVIDENCE, RI 029045767
Phone: (401) 521-9700
Fax: (401) 751-1686
Type: Mailing
827 N Main St Ste 4
Providence, RI 029045751
Phone: (401) 272-7799
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $344.
Total Amount is formed as General ($344) + Research ($0) + Ownership ($0) = $344.
Last reported payment date: 2023-12-14 • Largest payer in this snapshot: IsoRay, Inc ($183).
Total Amount
$344
General + Research + Ownership
Payments
4
Total payment records
General Amount
$344
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| IsoRay, Inc | $183 |
| Elekta, Inc. | $145 |
| Myriad Genetic Laboratories, Inc. | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-08-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20071001000831 | I | Radiation Oncology | MA | TBD |
| I20100824000291 | I | Radiation Oncology | RI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 678 | 90 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 595 | 55 | $0 |
| 77336 | Continuing radiation therapy consultation per week | 186 | 50 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 179 | 49 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 156 | 146 | $0 |
Insurance plans in this area (ZIP 02904)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | RI | |
| U R O L O G Y | RI | |
| U R O L O G Y | MA | |
| - | RI | |
| - | RI | |
| U R O L O G Y | RI | |
| Nurse Practitioner | RI | |
| Radiation Oncology | RI | |
| U R O L O G Y | RI | |
| U R O L O G Y | RI |
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